﻿import java.util.Scanner; 

public class code0071 {
	public static void main(String[] argse){
			int sum=0;
			for(int i=10;i<=20;i++){
				if(i%2==0){
					continue;
			}sum=sum + i;
			
			
			}System.out.println("10~20间所有奇数的和" + sum);
	}
}